'\" te
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.TH PAM_ALLOW 7 "August 19, 2023"
.SH NAME
pam_allow \- PAM authentication, account, session and password management PAM
module to allow operations
.SH SYNOPSIS
.nf
\fBpam_allow.so.1\fR
.fi

.SH DESCRIPTION
The \fBpam_allow\fR module implements all the PAM service module functions and
returns \fBPAM_SUCCESS\fR for all calls. Opposite functionality is available in
the \fBpam_deny\fR(7) module.
.sp
.LP
Proper authentication operation requires \fBpam_unix_cred\fR(7) be
stacked above \fBpam_allow\fR.
.sp
.LP
The following options are interpreted:
.sp
.ne 2
.na
\fBdebug\fR
.ad
.RS 9n
Provides \fBsyslog\fR(3C) debugging information at the \fBLOG_AUTH |
LOG_DEBUG\fR level.
.RE

.SH ERRORS
\fBPAM_SUCCESS\fR is always returned.
.SH EXAMPLES
\fBExample 1 \fRAllowing \fBssh none\fR
.sp
.LP
The following example is a \fBpam.conf\fR fragment that illustrates a sample
for allowing \fBssh none\fR authentication:

.sp
.in +2
.nf
sshd-none  auth    required      pam_unix_cred.so.1
sshd-none  auth    sufficient    pam_allow.so.1
sshd-none  account sufficient    pam_allow.so.1
sshd-none  session sufficient    pam_allow.so.1
sshd-none  password sufficient   pam_allow.so.1
.fi
.in -2

.LP
\fBExample 2 \fRAllowing Kiosk Automatic Login Service
.sp
.LP
The following is example is a \fBpam.conf\fR fragment that illustrates a sample
for allowing \fBgdm\fR kiosk auto login:

.sp
.in +2
.nf
gdm-autologin auth  required    pam_unix_cred.so.1
gdm-autologin auth  sufficient  pam_allow.so.1
.fi
.in -2

.SH ATTRIBUTES
See \fBattributes\fR(7) for descriptions of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
Interface Stability	Stable
_
MT Level	MT-Safe with exceptions
.TE

.SH SEE ALSO
.BR syslog (3C),
.BR libpam (3LIB),
.BR pam (3PAM),
.BR pam_sm (3PAM),
.BR pam.conf (5),
.BR attributes (7),
.BR pam_deny (7),
.BR pam_unix_cred (7)
.SH NOTES
The interfaces in \fBlibpam\fR(3LIB) are MT-Safe only if each thread within the
multi-threaded application uses its own PAM handle.
.sp
.LP
This module is intended to be used to either allow access to specific services
names, or to all service names not specified (by specifying it as the default
service stack).
